Electric toothbrush



FIG. 1 is a perspective view of an electric toothbrush embodying the new design;

FIG. 2 is a reduced left side elevational view, the right side being a mirror image thereof;

FIG. 3 is a reduced rear elevational view thereof;

FIG. 4 is a reduced front elevational view thereof;

FIG. 5 is an enlarged top plan view thereof; and,

FIG. 6 is an enlarged bottom plan view thereof. 

The ornamental design for electric toothbrush, as shown and described. 